See also:

Volume control switch
Press the switch to the “+” side to increase the volume. Press the switch to the “−” side to reduce the volume. A number indicating the volume will be shown on the audio display. ...

With SAT mode selected
Press the “” button to skip forward in the channel order. Press the “” button to skip backward in the channel order. The channel will be shown on the audio display. ...

Fast-forwarding
Press the “” side of the “SEEK” button continuously to fast-forward the track/file. Release the button to stop fast-forwarding. NOTE If you fast-forward to the end of the last track/file (track) ...